Aibocn Bigbox Wireless Bluetooth Speaker With Built-in Microphone Support TF Card (Red) Allows you to stream music from Bluetooth enabled devices such as cell phones, PDA, MP3 players, PCs and laptops and any other electronic devices with Bluetooth Offers a wireless connection range of 10 meters (33 feet),also equipped with a audio cable for those devices without Bluetooth A built-in microphone and speaker make it easy and convenient for making a phone call or answering Support to play music from micro SD card Huge hi-fi sound that can fill any room or outdoor space